linux-kernel - Re: [PATCH] irqchip/jcore-aic: Fix missing allocation of IRQ descriptors

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Message-ID: <5f5ac2ac5c6e8cd2034e17282eec00b4c88f23b6.camel@physik.fu-berlin.de>
Date:   Thu, 11 May 2023 16:47:29 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Rich Felker <dalias@...c.org>,
        Jason Cooper <jason@...edaemon.net>,
        linux-kernel@...r.kernel.org,
        Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] irqchip/jcore-aic: Fix missing allocation of IRQ
 descriptors

Hi Geert!

On Thu, 2023-05-11 at 16:35 +0200, Geert Uytterhoeven wrote:
> Hi Adrian,
> 
> On Wed, May 10, 2023 at 6:36 PM John Paul Adrian Glaubitz
> <glaubitz@...sik.fu-berlin.de> wrote:
> > The initialization function for the J-Core AIC aic_irq_of_init() is
> > currently missing the call to irq_alloc_descs() which allocates and
> > initializes all the IRQ descriptors. Add missing function call and
> > return the error code from irq_alloc_descs() in case the allocation
> > fails.
> > 
> > Fixes: 981b58f66cfc ("irqchip/jcore-aic: Add J-Core AIC driver")
> > Signed-off-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
> 
> Thanks for your patch!
> 
> I am not an IRQ expert, so I'd like to leave the technical parts for
> e.g. Marc.  But I think you should add to the description that this
> is based on a patch by Rich.

Will do! Thanks for the suggestions! I read through the IRQ source code
and checked what other architectures do and I think the first parameter
should be "-1" not 0.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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